LXR linux/drivers/gpu/drm/amd/display/dc/gpio/hw

   1/*
   2 * Copyright 2012-15 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#ifndef __DAL_HW_FACTORY_H__
  27#define __DAL_HW_FACTORY_H__
  28
  29struct hw_gpio_pin;
  30struct hw_hpd;
  31struct hw_ddc;
  32struct hw_generic;
  33struct gpio;
  34
  35struct hw_factory {
  36        uint32_t number_of_pins[GPIO_ID_COUNT];
  37
  38        const struct hw_factory_funcs {
  39                void (*init_ddc_data)(
  40                                struct hw_ddc **hw_ddc,
  41                                struct dc_context *ctx,
  42                                enum gpio_id id,
  43                                uint32_t en);
  44                void (*init_generic)(
  45                                struct hw_generic **hw_generic,
  46                                struct dc_context *ctx,
  47                                enum gpio_id id,
  48                                uint32_t en);
  49                void (*init_hpd)(
  50                                struct hw_hpd **hw_hpd,
  51                                struct dc_context *ctx,
  52                                enum gpio_id id,
  53                                uint32_t en);
  54                struct hw_gpio_pin *(*get_hpd_pin)(
  55                                struct gpio *gpio);
  56                struct hw_gpio_pin *(*get_ddc_pin)(
  57                                struct gpio *gpio);
  58                struct hw_gpio_pin *(*get_generic_pin)(
  59                                struct gpio *gpio);
  60                void (*define_hpd_registers)(
  61                                struct hw_gpio_pin *pin,
  62                                uint32_t en);
  63                void (*define_ddc_registers)(
  64                                struct hw_gpio_pin *pin,
  65                                uint32_t en);
  66                void (*define_generic_registers)(
  67                                struct hw_gpio_pin *pin,
  68                                uint32_t en);
  69        } *funcs;
  70};
  71
  72bool dal_hw_factory_init(
  73        struct hw_factory *factory,
  74        enum dce_version dce_version,
  75        enum dce_environment dce_environment);
  76
  77#endif
  78